Email Formats

{
  "mx": [
    "5 d144673a.ess.barracudanetworks.com.",
    "100 d144673b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:72.215.248.155 include:spf.ess.barracudanetworks.com ~all"
  ]
}